Question

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Answer 1

Answer:

6.66666

Explanation:

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Answer 2

Answer:

6.667m/s

Explanation:

From Newton's Law of motion

f=ma, f applies is 5N

m1 @ a1=10 m/s(sq) is 0.5 kg

m2 @ a2=20 m/s(sq) is 0.25 kg

if both the mass tied together then

m3 is 0.75 with force 5N gives acceleration of 6.667 m/s(sq)